Ampicillin False Positive Drug Test
3 Topics FoundI took a hair follicle test and it came up positive for cocaine. I have never used drugs in my life. I have a kidney infection and I have been having trouble with my kidney all my life on and off. I was taking Ampicillin 500mg and Metronidazole 500 mg and Eugenol. I am going to court concerning my kids and I can't lose them for drugs when I never took them before. Please help me. Thank you. ## The antibiotic Ampicillin has been known to cause false positives for Cocaine on drug tests and depending on the length of your hair and how much of it they test, it can show up anywhere from 90 days to the rest of your life. When the testing was done, where they aware of your medical problems and any medications you were taking? ## No they didnt no about my health problems. Can i use this wha...
Can it cause a dirty drug test result? I'm in outpatient treatment. ## Ampicillin is a penicillin type antibiotic so it may result in a positive drug test for cocaine. What kind of tests are you taking? Urine? Blood? If you can, your best bet would be to show the prescription for the antibiotic so that they can factor it into your test results. ## Can ampitrex (ampicillina) 500mg show a false positive for cocaine in a urine drug test? ## Yes Evy, per what Roy said in reply # 1 ampicilina (translated to ampicillin which is a penicilin drug), it "may" result in a false positive. Everything ok with you? what happened? ## My friend went in for a urine and tested positive for cocaine and the probation officer almost had him held and did not believe he got a single packages from t...
Will hydrocodone give a false posi tive for cocaine ## No, the narcotic Hydrocodone has not been known to cause false positives for Cocaine, but it has been known to cause them for Oxycodone. Has this happened to you? If so, where you taking anything else, even over the counter products? ## Besides the hydrocodone I also take lyrica and Tizanidine. Would either of those cause a positive result for cocaine ## No, neither of those medications is listed as being known to cause a false positive for cocaine, either. Have you been on antibiotics for anything recently? There are many of them that are known to cause it, such as Amoxicillin and Ampicillin. It could even have been caused if you ate food or drank something that used Coca flour or oil in it. It's also known to happen in people ...